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Finding the Fourth Proportional to 166,886.71, 250,385.95 and 54,572.11

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Solution

The fourth proportional to 166,886.71, 250,385.95 and 54,572.11 is: 81,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,886.71 : 250,385.95 = 54,572.11 : x
  2. Step 2: Convert to fraction form
    166,886.71/250,385.95 = 54,572.11/x
  3. Step 3: Cross multiply
    166,886.71x = 250,385.95 × 54,572.11
  4. Step 4: Simplify right side
    166,886.71x = 13,664,089,605.85
  5. Step 5: Solve for x
    x = 13,664,089,605.85/166,886.71
  6. Step 6: Final answer
    x = 81,876.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.